Home / 30,393.68-41,942.57-16,966.18

Finding the Fourth Proportional to 30,393.68, 41,942.57 and 16,966.18

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Solution

The fourth proportional to 30,393.68, 41,942.57 and 16,966.18 is: 23,412.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,393.68 : 41,942.57 = 16,966.18 : x
  2. Step 2: Convert to fraction form
    30,393.68/41,942.57 = 16,966.18/x
  3. Step 3: Cross multiply
    30,393.68x = 41,942.57 × 16,966.18
  4. Step 4: Simplify right side
    30,393.68x = 711,605,129.84
  5. Step 5: Solve for x
    x = 711,605,129.84/30,393.68
  6. Step 6: Final answer
    x = 23,412.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.